.PHONY: all clean test build-lib build-tools build-api install help dev coverage memcheck

CC := gcc
CFLAGS := -Wall -Wextra -pedantic -std=c11 -O2 -I./src/third_party -I./src/libtikker/include
DEBUG_FLAGS := -g -O0 -DDEBUG
RELEASE_FLAGS := -O3
COVERAGE_FLAGS := -fprofile-arcs -ftest-coverage
LDFLAGS := -lsqlite3 -lm

INSTALL_PREFIX ?= /usr/local
BUILD_DIR := ./build
BIN_DIR := $(BUILD_DIR)/bin
LIB_DIR := $(BUILD_DIR)/lib

all: build-lib build-tools build-api
	@echo "✓ Complete build finished"

help:
	@echo "Tikker Enterprise Build System"
	@echo ""
	@echo "Targets:"
	@echo "  make all              - Build everything (lib, tools, API)"
	@echo "  make build-lib        - Build libtikker static library"
	@echo "  make build-tools      - Build all CLI tools"
	@echo "  make build-api        - Setup Python API environment"
	@echo "  make test             - Run all tests"
	@echo "  make coverage         - Generate code coverage report"
	@echo "  make memcheck         - Run memory leak detection"
	@echo "  make clean            - Remove all build artifacts"
	@echo "  make install          - Install binaries"
	@echo "  make dev              - Build with debug symbols"
	@echo ""
	@echo "Environment Variables:"
	@echo "  CC                    - C compiler (default: gcc)"
	@echo "  CFLAGS                - Compiler flags"
	@echo "  INSTALL_PREFIX        - Installation directory (default: /usr/local)"

$(BIN_DIR):
	@mkdir -p $(BIN_DIR)

$(LIB_DIR):
	@mkdir -p $(LIB_DIR)

build-lib: $(LIB_DIR)
	@echo "Building libtikker library..."
	@cd src/libtikker && make LIB_DIR=../../$(LIB_DIR) CC="$(CC)" CFLAGS="$(CFLAGS)"
	@echo "✓ libtikker built"

build-tools: build-lib $(BIN_DIR)
	@echo "Building CLI tools..."
	@cd src/tools/decoder && make BIN_DIR=../../$(BIN_DIR) LIB_DIR=../../$(LIB_DIR) CC="$(CC)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)"
	@cd src/tools/indexer && make BIN_DIR=../../$(BIN_DIR) LIB_DIR=../../$(LIB_DIR) CC="$(CC)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)"
	@cd src/tools/aggregator && make BIN_DIR=../../$(BIN_DIR) LIB_DIR=../../$(LIB_DIR) CC="$(CC)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)"
	@cd src/tools/report_gen && make BIN_DIR=../../$(BIN_DIR) LIB_DIR=../../$(LIB_DIR) CC="$(CC)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)"
	@echo "✓ All CLI tools built"

build-api:
	@echo "Setting up Python API environment..."
	@if [ -f src/api/requirements.txt ]; then \
		python3 -m pip install --quiet -r src/api/requirements.txt 2>/dev/null || true; \
		echo "✓ Python dependencies installed"; \
	else \
		echo "⚠ No API requirements.txt found"; \
	fi

test: build-lib
	@echo "Running tests..."
	@cd tests && make CC="$(CC)" CFLAGS="$(CFLAGS)"
	@echo "✓ Tests completed"

coverage: clean
	@echo "Building with coverage instrumentation..."
	@$(MAKE) CFLAGS="$(CFLAGS) $(COVERAGE_FLAGS)" test
	@echo "Generating coverage report..."
	@gcov src/libtikker/src/*.c 2>/dev/null || true
	@lcov --capture --directory . --output-file coverage.info 2>/dev/null || true
	@genhtml coverage.info --output-directory coverage_html 2>/dev/null || true
	@echo "✓ Coverage report generated in coverage_html/"

memcheck: build-lib
	@echo "Running memory leak detection..."
	@valgrind --leak-check=full --show-leak-kinds=all \
		./$(BIN_DIR)/tikker-aggregator --help 2>&1 | tail -20
	@echo "✓ Memory check completed"

dev: CFLAGS += $(DEBUG_FLAGS)
dev: clean all
	@echo "✓ Debug build completed"

install: all
	@echo "Installing to $(INSTALL_PREFIX)..."
	@mkdir -p $(INSTALL_PREFIX)/bin
	@mkdir -p $(INSTALL_PREFIX)/lib
	@mkdir -p $(INSTALL_PREFIX)/include
	@install -m 755 $(BIN_DIR)/tikker-decoder $(INSTALL_PREFIX)/bin/
	@install -m 755 $(BIN_DIR)/tikker-indexer $(INSTALL_PREFIX)/bin/
	@install -m 755 $(BIN_DIR)/tikker-aggregator $(INSTALL_PREFIX)/bin/
	@install -m 755 $(BIN_DIR)/tikker-report $(INSTALL_PREFIX)/bin/
	@install -m 644 $(LIB_DIR)/libtikker.a $(INSTALL_PREFIX)/lib/
	@install -m 644 src/libtikker/include/*.h $(INSTALL_PREFIX)/include/
	@echo "✓ Installation complete"

clean:
	@echo "Cleaning build artifacts..."
	@rm -rf $(BUILD_DIR)
	@find . -name "*.o" -delete
	@find . -name "*.a" -delete
	@find . -name "*.gcov" -delete
	@find . -name "*.gcda" -delete
	@find . -name "*.gcno" -delete
	@find . -name "gmon.out" -delete
	@rm -rf coverage.info coverage_html/
	@echo "✓ Clean completed"

.PHONY: help $(BIN_DIR) $(LIB_DIR)